A koala mother and baby.
koala definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
an Australian, tailless, tree-dwelling animal that is the only species (Phascolarctos cinereus) of a family (Phascolarticidae) of marsupials with thick, gray fur, sharp claws, and large, tufted ears: it resembles a small bear and feeds exclusively on eucalyptus leaves and buds
Origin: ; from kūlla, native name in Australia
koala definition by American Heritage Dictionary
An arboreal Australian marsupial (Phascolarctos cinereus) that has dense grayish fur, large ears, and sharp claws and feeds chiefly on the leaves of eucalyptus trees.
Origin: Probably from misreading of earlier coola, koolah, from Dharuk gula, gulawany.